ITEM NAME:Learning Code Multi-Function Remote Control Switch + Single-Button #JT1 Product Description Description: Technical Parameters Operating voltage: AC180-240V Operating frequency: 433 MHz Maximum load: 1500 watts Work: self-locking, jogging, interlock (by hooding switch) Board size: 54.4 * 31.7 * 17mm Shell size: 74 * 36 * 23 mm study method Press and hold the learning key for three seconds indicator light off, and then press any key on the remote control, the indicator light flashes after the light, this time that learning success. Note: The controller can learn fixed code (PT2262, SC2260 chip, etc.) / learning code (EV1527, HS2240, etc.) 20 different encoding, any button remote control, in turn will be cleared in the first study of the remote control. Clear the method Continue to hold the learning key for about 8 seconds the light from the off to restore the long light that clear the success. Included: 1 set of switch control.Work: self-locking, jogging, interlock (by hooding switch). Shell size: 74 36 23 mm. If item is defective after 3 months, you can still send it back to us. We will send you a new one after receiving the defective item.